This node uses DirectShow to decode video clips. More...
#include <H3D/DirectShowDecoder.h>
Inheritance diagram for H3D::DirectShowDecoder:
Public Member Functions | |
| DirectShowDecoder () | |
| Constructor. | |
| ~DirectShowDecoder () | |
| Destructor. | |
| virtual bool | loadClip (const string &url) |
| load an video clip from a url. Returns true on success. | |
| virtual void | startPlaying () |
| Start decoding the video clip. | |
| virtual void | stopPlaying () |
| Stop decoding the video clip and set the position to the start position. | |
| virtual void | pausePlaying () |
| Pause the decoding of the video clip. | |
| virtual void | setLooping (bool v) |
| Set whether the clip should loop and start from the start again when the end has been reached. | |
| virtual H3DTime | getPosition () |
| Get the current position in the clip (in seconds from start position) | |
| virtual void | setPosition (H3DTime pos) |
| Set the current position in the clip(in seconds from start position) | |
| virtual bool | setRate (double r) |
| Set the playback rate. More... | |
| virtual H3DTime | getDuration () |
| Returns the duration in seconds at normal play rate of the currently loaded video clip. | |
| virtual bool | haveNewFrame () |
| Returns true when a new frame is available. | |
| virtual void | getNewFrame (unsigned char *buffer) |
| Get the new frame. The buffer must be at least getFrameSize() bytes. | |
| virtual unsigned int | getFrameWidth () |
| The width in pixels of the current frame. | |
| virtual unsigned int | getFrameHeight () |
| The height in pixels of the current frame. | |
| virtual unsigned int | getFrameBitsPerPixel () |
| Get the number of bits per pixel in the current frame. | |
| virtual unsigned int | getFrameSize () |
| The size in bytes of the current frame. | |
| virtual unsigned int | getFrameByteAlignment () |
| The byte alignment of each row in the buffer data from getNewFrame. | |
| virtual Image::PixelType | getFramePixelType () |
| The pixel type of the current frame. | |
| virtual Image::PixelComponentType | getFramePixelComponentType () |
| The pixel component type of the current frame. | |
 Public Member Functions inherited from H3D::H3DVideoClipDecoderNode | |
| H3DVideoClipDecoderNode () | |
| Constructor. | |
| PlayStatus | getPlayStatus () |
| Returns the current play status. | |
| virtual string | defaultXMLContainerField () |
| Returns the default xml containerField attribute value. More... | |
| Public Member Functions inherited from H3D::Node | |
| Node () | |
| Constructor. | |
| virtual Node * | clone (bool deepCopy=true, DeepCopyMap *deepCopyMap=NULL) |
| Returns a new instance of this node type with the same state as this one. More... | |
| virtual | ~Node () |
| Destructor. | |
| X3DPrototypeInstance * | getProtoInstanceParent () |
| If this node is the root node in the proto body of a X3DPrototypeInstance then this will return that node. More... | |
| void | setProtoInstanceParent (X3DPrototypeInstance *p) |
| Set the X3DPrototypeInstance this node is the the root node if applicaple. | |
| virtual void | render () |
| the render() function is used for the depth-first rendering traversal of the scene-graph. More... | |
| virtual void | traverseSG (TraverseInfo &ti) |
| traverseSG is called once per scenegraph loop on the scene in order to traverse the scenegraph. More... | |
| virtual bool | lineIntersect (const Vec3f &from, const Vec3f &to, LineIntersectResult &result) |
| Detect intersection between a line segment and the Node. More... | |
| virtual void | closestPoint (const Vec3f &p, NodeIntersectResult &result) |
| Find closest point on Node to p. More... | |
| virtual bool | movingSphereIntersect (H3DFloat radius, const Vec3f &from, const Vec3f &to, NodeIntersectResult &result) |
| Detect collision between a moving sphere and the Node. More... | |
| virtual Field * | getField (const string &_name) const |
| return a pointer to the field specified by name within this instance | |
| int | addDestructCallback (void(*func)(Node *, void *), void *args) |
| Add a callback function to be run on destruction of node. More... | |
| int | removeDestructCallback (void(*func)(Node *, void *), void *args) |
| Add a callback function to be run on destruction of node. More... | |
Static Public Member Functions | |
| static bool | supportsFileType (const string &url) |
| Returns true if the node supports the filetype of the file specified by url. | |
| Static Public Member Functions inherited from H3D::H3DVideoClipDecoderNode | |
| static H3DVideoClipDecoderNode * | getSupportedDecoder (const string &url) |
| Given an url to a file, it returns an instance of a H3DVideoClipDecoderNode class that can handle that file type. More... | |
| static void | registerDecoder (const string &name, CreateNodeFunc create, SupportsFileFunc supports) |
| Register a decoder that can then be returned by getSupportedDecoder(). More... | |
| static void | registerDecoder (const DecoderRegistration &fr) |
| Register a file reader that can then be returned by getSupportedDecoder(). | |
| Static Public Member Functions inherited from H3D::Node | |
| static unsigned int | nrNodesAlive () |
| Returns the nr of nodes currently alive, i.e. nodes created but not destructed. | |
| static int | nrNodesCreated () |
| Returns the number of nodes created in total since the start of the program. | |
Static Public Attributes | |
| static H3DNodeDatabase | database |
| The H3DNodeDatabase for this node. | |
| static DecoderRegistration | reader_registration |
| Register this node to the H3DVideoClipDecoderNodes available. | |
Protected Member Functions | |
| HRESULT | initDShowTextureRenderer (const string &url) |
| Set up a DirectShow graph for playing the given url. | |
| void | cleanupDShow (void) |
| Clean up all resources used by the current DirectShow graph. | |
| Protected Member Functions inherited from H3D::Node | |
| void | cloneFieldValue (Field &_from, Field &_to, bool deepCopy, DeepCopyMap &deepCopyMap) |
| A helper function for the clone() method. More... | |
Protected Attributes | |
| unsigned int | frame_width |
| The width in pixels of the frame. | |
| unsigned int | frame_height |
| The height in pixels of the frame. | |
| unsigned int | frame_size |
| The size in bytes of a frame. | |
| unsigned int | data_size |
| The size in bytes of the memory allocated in the data member. | |
| unsigned char * | data |
| The latest frame. | |
| bool | have_new_frame |
| Set to true when a new frame is available, reset to false when getNewFrame is called. | |
| double | rate |
| The speed at which to play the clip. 1 is normal speed, 0.5 half. | |
| CFrameGrabber * | frame_grabber |
| The DirectShow object used to get frames. | |
| bool | looping |
| True if the video should loop when it reaches the end. | |
| H3DTime | duration |
| The duration of the current clip in seconds. | |
| H3DUniquePtr< DShowEventHandler > | event_handler |
| Event handler for DirectShow events. | |
Additional Inherited Members | |
| Public Types inherited from H3D::H3DVideoClipDecoderNode | |
| typedef bool(* | SupportsFileFunc) (const string &url) |
| Function ptr type for | |
| Public Types inherited from H3D::Node | |
| typedef std::map< Node *, Node * > | DeepCopyMap |
| A map type used during a deep copy clone() to map from original nodes to cloned nodes. | |
| Static Protected Member Functions inherited from H3D::Node | |
| static Node * | getClonedInstance (Node *original, bool deepCopy, DeepCopyMap &deepCopyMap) |
| A helper function for nodes that implement clone() More... | |
Detailed Description
This node uses DirectShow to decode video clips.
All video types that are supported by an installed DirectShow filter can be decoded.
Member Function Documentation
◆ setRate()
|
inlinevirtual |
Set the playback rate.
A rate of 1 means normal playback speed, 2 double. Negative values means playing backwards.
- Returns
- true if the new rate is supported by the decoder.
Implements H3D::H3DVideoClipDecoderNode.
The documentation for this class was generated from the following files:
